| CMS & Website Builders | |
| Craft CMS Flexible content management system for custom websites | 168.9K sites |
| Web Analytics & Measurement | |
| Cloudflare Browser Insights Cloudflare real-user monitoring capturing page performance metrics | 5.4M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 65.9M sites |
| CDN & Edge Delivery | |
| Bunny Content delivery network for fast asset delivery | 2.8M sites |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 188.1M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 141.3M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 163.7M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 118.1M sites |
| Yii High-performance PHP web application framework | 339.6K sites |
| JavaScript Libraries & Widgets | |
| Swiper Modern touch slider and carousel library for web and mobile | 25.6M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 78.8M sites |
| SEO & Content Discovery | |
| Google Generic Google service or script detected on the site | 34.3M sites |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 160.2M sites |
| SEOmatic SEO metadata and sitemap plugin for Craft CMS. | 83.8K sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
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